Conjure Wife - Fritz Leiber

Norman Saylor is a logical, practical fellow with a bright future at the college he teaches at and a loving wife who supports him in every way possible. His reality is about to be shattered when he discovers that his wife Tansy has secretly been practicing witchcraft in order to protect him and further his career. After this shocking discovery, he forces Tansy to get rid of all the charms and totems she has cultivated throughout the years. What Norman doesn't realize is that other women are conspiring against him and were awaiting just such an event to unleash Hell upon he and Tansy, body and soul. - Summary by Ben Tucker